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Measurement and Instrumentation
A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read
0 A
None of the listed here
2.5 A
5 A
0 A
None of the listed here
2.5 A
5 A
Answer
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Related Question
Measurement and Instrumentation
The problem of Electrostatic coupling in a transformer is acute at
High load on the transformer
Low frequencies
High frequencies
Power frequencies
High load on the transformer
Low frequencies
High frequencies
Power frequencies
Answer
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Measurement and Instrumentation
Schering bridge is used to measure which of the following?
Resistance.
Inductance.
Frequency.
Capacitance.
Resistance.
Inductance.
Frequency.
Capacitance.
Answer
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Measurement and Instrumentation
Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are
400V and 200V
300V each
One of the meters out of the range and other 100V
360V and 240V
400V and 200V
300V each
One of the meters out of the range and other 100V
360V and 240V
Answer
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Measurement and Instrumentation
Resistance of a VARISTOR varies with
Voltage
Current
Both Voltage and Temperature
Temperature
Voltage
Current
Both Voltage and Temperature
Temperature
Answer
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Measurement and Instrumentation
The controlling torque of an indicating instrument ______ as the deflection of the moving system increases.
Decreases
Remains same
Increases
None of the listed here
Decreases
Remains same
Increases
None of the listed here
Answer
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